Astronomy & Space Science
azw3, epub |eng | 2016-11-07 | Author:Lawrie, Alan [Lawrie, Alan]

Four F-1 AND J-2 ENGINES Five J-2 engines were used on the Saturn V second stage, and one was used on the third stage. They were manufactured by Rocketdyne at ...
( Category: Astronomy & Space Science September 19,2017 )
mobi |eng | 2013-01-15 | Author:Lomask, Milton & Green, Constance McLaughlin [Lomask, Milton]

The meeting warmed up when, on top of this revelation, the NRL Martin representatives informed the Air Force Commander that they were planning to launch their first test vehicle during ...
( Category: Engineering September 19,2017 )
mobi, epub |eng | 2012-08-30 | Author:Dennis R. Jenkins

Image credit: Courtesy of the David Clark Company, Inc. The Model 18 was another attempt to provide a large dome that could cover a standard flying helmet and oxygen mask. ...
( Category: Engineering September 19,2017 )
mobi, epub |eng | 2012-10-10 | Author:Roger D. Launius & Dennis R. Jenkins

Image credit: NASA. Comparison of refractory and ablative shingle structures for a proposed orbital HL-10 thermal protection system. Hoag’s comments about the landing engines were quite negative. He reported that ...
( Category: Engineering September 19,2017 )
epub |eng | 2010-09-19 | Author:Erickson, Lance K.;

Figure 7.6. View of the Gemini VII capsule from Gemini VI-A. Source: NASA JSC. Although problems arose with the OAMS thrusters and the fuel cells during the mission, deorbit and ...
( Category: Engineering September 19,2017 )
epub |eng | | Author:Kip Thorne

9.2 The principle of a radio interferometer. Left: In order to achieve good angular resolution, one would like to have a huge, say, l-kilometer, telescope. However, it would be sufficient ...
( Category: Physics September 18,2017 )
mobi, epub, pdf |eng | 2008-08-24 | Author:William Goldbloom Bloch

Another, and perhaps the most important, visual asymmetry is that the orthographic symbols will be mirror-reversed. For an example, see figure 44. An elegant way to avoid this asymmetry is ...
( Category: Mathematics September 18,2017 )
epub, mobi, pdf |eng | 2011-10-18 | Author:L.T. Marie [Marie, L.T.]

L.T. Marie had driven her a little crazy at first, but Dakota acted that way because she put other people’s feelings above her own, not because she wanted to control ...
( Category: Animals September 17,2017 )
epub |eng | 2004-04-15 | Author:LaViolette Ph.D., Paul A.

Figure 9.10. Sagittarius (the Archer). Systems concepts: expansive growth; spontaneous symmetry breaking. In Model G and in the Brusselator, the X and Y reaction variables in a critical fluctuation cannot ...
( Category: Physics September 15,2017 )
epub, azw3, pdf |eng | 2007-12-31 | Author:Stephen Hawking [Hawking, Stephen]

Throughout the 1970s I had been working mainly on black holes. However, in 1981 my interest in questions about the origin of the universe was reawakened when I attended a ...
( Category: Astronomy & Space Science September 14,2017 )
epub, mobi |eng | | Author:Robert Lanza & Bob Berman

Was our universe created randomly, by chance? If so, we repeatedly defied the odds. Ours is an extremely unlikely reality. The Sun—central to life—would not exist if any of several ...
( Category: Philosophy September 14,2017 )
epub |eng | | Author:Erik Seedhouse

Fuel: Kerosene Oxidizer: Liquid Oxygen Fueled Mass: 99,500kg Guidance: From 3rd Stage Propulsion: 1 RD-108A Engine Type: Gas Generator Propellant Feed: Turbopump Total Thrust SL: 792kN Total Thrust Vac: 990kN ...
( Category: History & Philosophy September 14,2017 )
epub |eng | | Author:Paul Davies

Figure 24: Spontaneous symmetry-breaking. (a) A pencil poised on its tip is in a symmetric state: it looks the same if rotated about a vertical axis, as shown. In this ...
( Category: Astronomy & Space Science September 13,2017 )
epub |eng | 2008-05-12 | Author:James N. Gardner;Ray Kurzweil;Ray Kurzweil [Kurzweil, James N. Gardner;Ray Kurzweil;Ray]

The Oddest of Bedfellows: Religion, ET, and Science, Oh My! One of the strangest aspects of the human mind is its mysterious capacity to harbor simultaneously two or more contradictory ...
( Category: Astronomy & Space Science September 13,2017 )
epub |eng | 2001-12-06 | Author:Peter Coles [Coles, Peter]

Turning back the clock The production of the microwave background during the epoch of recombination and the synthesis of the elements during the nuclear fireball are two major successes of ...
( Category: Astronomy & Space Science September 12,2017 )